<pre>
java.lang.IllegalArgumentException: You must provide 2, 4 or 6 arguments.
	at com.jgoodies.forms.layout.CellConstraints.initFromConstraints(CellConstraints.java:821)
	at com.jgoodies.forms.layout.CellConstraints.<init>(CellConstraints.java:364)
	at com.jgoodies.forms.layout.FormLayout.addLayoutComponent(FormLayout.java:1099)
	at java.awt.Container.addImpl(Container.java:1045)
	at java.awt.Container.add(Container.java:896)
	at javax.swing.plaf.basic.BasicToolBarUI$FrameListener.windowClosing(BasicToolBarUI.java:1249)
	at java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:332)
	at java.awt.Window.processWindowEvent(Window.java:1845)
	at javax.swing.JDialog.processWindowEvent(JDialog.java:633)
	at java.awt.Window.processEvent(Window.java:1803)
	at java.awt.Component.dispatchEventImpl(Component.java:4501)
	at java.awt.Container.dispatchEventImpl(Container.java:2081)
	at java.awt.Window.dispatchEventImpl(Window.java:2458)
	at java.awt.Component.dispatchEvent(Component.java:4331)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
</pre>
